[....] Starting OpenBSD Secure Shell server: sshd[ 21.418665] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.014307] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 25.338230] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 26.353103] random: sshd: uninitialized urandom read (32 bytes read, 121 bits of entropy available) [ 26.520845] random: sshd: uninitialized urandom read (32 bytes read, 125 bits of entropy available) [ 26.635686] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. executing program [ 32.024728] audit: type=1400 audit(1520253929.178:5): avc: denied { set_context_mgr } for pid=3783 comm="syzkaller316977" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 [ 32.046266] binder: 3783:3785 ERROR: BC_REGISTER_LOOPER called without request [ 32.056489] audit: type=1400 audit(1520253929.218:6): avc: denied { call } for pid=3783 comm="syzkaller316977" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 [ 32.080185] binder: release 3783:3784 transaction 3 out, still active [ 32.087011] binder: undelivered TRANSACTION_COMPLETE [ 32.092257] binder: 3783:3784 BC_ACQUIRE_DONE u0000000000000000 node 2 cookie mismatch 0000000000000004 != 0000000000000000 executing program [ 32.147149] binder: release 3783:3785 transaction 1 out, still active [ 32.153886] binder: undelivered TRANSACTION_COMPLETE [ 32.155006] binder: 3787:3788 ERROR: BC_REGISTER_LOOPER called without request [ 32.166383] binder: release 3783:3786 transaction 4 out, still active [ 32.172937] binder: undelivered TRANSACTION_COMPLETE [ 32.176374] binder: release 3787:3788 transaction 7 out, still active [ 32.176378] binder: release 3787:3788 transaction 6 in, still active [ 32.176381] binder: undelivered TRANSACTION_COMPLETE executing program [ 32.176507] binder: 3787:3788 BC_ACQUIRE_DONE u0000000000000000 node 5 cookie mismatch 0000000000000004 != 0000000000000000 [ 32.207719] binder: send failed reply for transaction 1, target dead [ 32.214211] binder: send failed reply for transaction 3, target dead [ 32.218730] binder: BINDER_SET_CONTEXT_MGR already set [ 32.218736] binder: 3790:3791 ioctl 40046207 0 returned -16 [ 32.219411] binder: 3790:3791 ERROR: BC_REGISTER_LOOPER called without request [ 32.239140] binder: send failed reply for transaction 4, target dead executing program [ 32.240908] binder_alloc: 3787: binder_alloc_buf, no vma [ 32.240947] binder: 3790:3792 transaction failed 29189/-3, size 0-0 line 3128 [ 32.243201] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.245488] binder: 3790:3792 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.268059] binder_alloc: 3787: binder_alloc_buf, no vma [ 32.268098] binder: 3790:3793 transaction failed 29189/-3, size 0-0 line 3128 [ 32.283778] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.287101] binder: BINDER_SET_CONTEXT_MGR already set [ 32.287107] binder: 3794:3795 ioctl 40046207 0 returned -16 [ 32.287758] binder: 3794:3795 ERROR: BC_REGISTER_LOOPER called without request [ 32.307810] binder: release 3787:3789 transaction 8 in, still active [ 32.309157] binder: 3794:3796 transaction failed 29189/-22, size 0-0 line 3005 [ 32.311413] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.313696] binder: 3794:3796 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.333883] binder: send failed reply for transaction 8 to 3787:3789 [ 32.336172] binder: 3794:3797 transaction failed 29189/-22, size 0-0 line 3005 executing program [ 32.347901] ================================================================== [ 32.355262] BUG: KASAN: use-after-free in __list_del_entry+0x196/0x1d0 [ 32.355327] binder: 3798:3799 ERROR: BC_REGISTER_LOOPER called without request [ 32.369233] Read of size 8 at addr ffff8801d4933c10 by task kworker/u4:1/19 [ 32.376302] [ 32.376363] binder: release 3798:3799 transaction 15 out, still active [ 32.376368] binder: release 3798:3799 transaction 14 in, still active [ 32.376371] binder: undelivered TRANSACTION_COMPLETE executing program [ 32.376497] binder: 3798:3799 BC_ACQUIRE_DONE u0000000000000000 node 13 cookie mismatch 0000000000000004 != 0000000000000000 [ 32.407488] CPU: 0 PID: 19 Comm: kworker/u4:1 Not tainted 4.4.119-g855ea74 #27 [ 32.414827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.417543] binder: BINDER_SET_CONTEXT_MGR already set [ 32.417549] binder: 3801:3802 ioctl 40046207 0 returned -16 [ 32.418220] binder: 3801:3802 ERROR: BC_REGISTER_LOOPER called without request [ 32.438969] binder_alloc: 3798: binder_alloc_buf, no vma executing program [ 32.439006] binder: 3801:3803 transaction failed 29189/-3, size 0-0 line 3128 [ 32.441263] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.443545] binder: 3801:3803 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.466020] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.466056] binder: 3801:3804 transaction failed 29189/-3, size 0-0 line 3128 [ 32.479954] Workqueue: binder binder_deferred_func[ 32.484559] binder: BINDER_SET_CONTEXT_MGR already set [ 32.484565] binder: 3805:3806 ioctl 40046207 0 returned -16 [ 32.485214] binder: 3805:3806 ERROR: BC_REGISTER_LOOPER called without request [ 32.502946] [ 32.504848] 0000000000000000[ 32.506005] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.506042] binder: 3805:3807 transaction failed 29189/-3, size 0-0 line 3128 [ 32.508305] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.510587] binder: 3805:3807 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.532616] b6dc3e4a89cbf741[ 32.533103] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.533138] binder: 3805:3808 transaction failed 29189/-3, size 0-0 line 3128 executing program [ 32.548469] ffff8801d94a7a58 ffffffff81d0402d[ 32.551666] binder: BINDER_SET_CONTEXT_MGR already set [ 32.551672] binder: 3809:3810 ioctl 40046207 0 returned -16 [ 32.552349] binder: 3809:3810 ERROR: BC_REGISTER_LOOPER called without request [ 32.571228] [ 32.573088] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.573126] binder: 3809:3811 transaction failed 29189/-3, size 0-0 line 3128 [ 32.575383] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.577664] binder: 3809:3811 BC_ACQUIRE_DONE u0000000000000000 no match executing program [ 32.598000] ffffea0007524cc0[ 32.600171] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.600206] binder: 3809:3812 transaction failed 29189/-3, size 0-0 line 3128 [ 32.613558] ffff8801d4933c10 0000000000000000 ffff8801d4933c10[ 32.618735] binder: BINDER_SET_CONTEXT_MGR already set [ 32.618741] binder: 3813:3814 ioctl 40046207 0 returned -16 [ 32.619416] binder: 3813:3814 ERROR: BC_REGISTER_LOOPER called without request [ 32.638207] [ 32.640100] ffffed0039617cf9[ 32.640170] binder_alloc: 3798: binder_alloc_buf, no vma executing program [ 32.640208] binder: 3813:3815 transaction failed 29189/-3, size 0-0 line 3128 [ 32.642466] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.644748] binder: 3813:3815 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.667277] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.667319] binder: 3813:3816 transaction failed 29189/-3, size 0-0 line 3128 [ 32.680537] ffff8801d94a7a90 ffffffff814fe103 ffff8801d4933c10 [ 32.686957] binder: BINDER_SET_CONTEXT_MGR already set [ 32.686963] binder: 3817:3818 ioctl 40046207 0 returned -16 [ 32.687638] binder: 3817:3818 ERROR: BC_REGISTER_LOOPER called without request [ 32.705494] Call Trace: [ 32.708053] [] dump_stack+0xc1/0x124 [ 32.708401] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.708439] binder: 3817:3819 transaction failed 29189/-3, size 0-0 line 3128 [ 32.710693] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.712975] binder: 3817:3819 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.735499] binder_alloc: 3798: binder_alloc_buf, no vma executing program [ 32.735535] binder: 3817:3820 transaction failed 29189/-3, size 0-0 line 3128 [ 32.750958] [] print_address_description+0x73/0x260 [ 32.755102] binder: BINDER_SET_CONTEXT_MGR already set [ 32.755108] binder: 3821:3822 ioctl 40046207 0 returned -16 [ 32.755770] binder: 3821:3822 ERROR: BC_REGISTER_LOOPER called without request [ 32.775846] [] kasan_report+0x285/0x370 [ 32.776559] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.776595] binder: 3821:3823 transaction failed 29189/-3, size 0-0 line 3128 [ 32.778850] binder: undelivered TRANSACTION_ERROR: 29189 executing program [ 32.781132] binder: 3821:3823 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.803668] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.803704] binder: 3821:3824 transaction failed 29189/-3, size 0-0 line 3128 [ 32.819007] [] ? __list_del_entry+0x196/0x1d0 [ 32.823424] binder: BINDER_SET_CONTEXT_MGR already set [ 32.823430] binder: 3825:3826 ioctl 40046207 0 returned -16 [ 32.824108] binder: 3825:3826 ERROR: BC_REGISTER_LOOPER called without request [ 32.843396] [] __asan_report_load8_noabort+0x14/0x20 executing program [ 32.844866] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.844903] binder: 3825:3827 transaction failed 29189/-3, size 0-0 line 3128 [ 32.847157] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.849442] binder: 3825:3827 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.871975] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.872010] binder: 3825:3828 transaction failed 29189/-3, size 0-0 line 3128 [ 32.887652] [] __list_del_entry+0x196/0x1d0 [ 32.891773] binder: BINDER_SET_CONTEXT_MGR already set [ 32.891779] binder: 3829:3830 ioctl 40046207 0 returned -16 [ 32.892457] binder: 3829:3830 ERROR: BC_REGISTER_LOOPER called without request [ 32.911844] [] binder_release_work+0x6e/0x260 [ 32.913217] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.913254] binder: 3829:3831 transaction failed 29189/-3, size 0-0 line 3128 [ 32.915514] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.917795] binder: 3829:3831 BC_ACQUIRE_DONE u0000000000000000 no match [ 32.940326] binder_alloc: 3798: binder_alloc_buf, no vma executing program [ 32.940362] binder: 3829:3832 transaction failed 29189/-3, size 0-0 line 3128 [ 32.955491] [] ? binder_send_failed_reply+0x18a/0x3a0 [ 32.960137] binder: BINDER_SET_CONTEXT_MGR already set [ 32.960143] binder: 3833:3834 ioctl 40046207 0 returned -16 [ 32.960817] binder: 3833:3834 ERROR: BC_REGISTER_LOOPER called without request [ 32.980577] [] binder_thread_release+0x425/0x600 [ 32.981583] binder_alloc: 3798: binder_alloc_buf, no vma [ 32.981620] binder: 3833:3835 transaction failed 29189/-3, size 0-0 line 3128 [ 32.983878] binder: undelivered TRANSACTION_ERROR: 29189 [ 32.986160] binder: 3833:3835 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.008687] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.008723] binder: 3833:3836 transaction failed 29189/-3, size 0-0 line 3128 [ 33.024480] [] binder_deferred_func+0x438/0xd10 [ 33.028304] binder: BINDER_SET_CONTEXT_MGR already set [ 33.028310] binder: 3837:3838 ioctl 40046207 0 returned -16 [ 33.028987] binder: 3837:3838 ERROR: BC_REGISTER_LOOPER called without request [ 33.049042] [] ? __lock_is_held+0xa1/0xf0 [ 33.049752] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.049788] binder: 3837:3839 transaction failed 29189/-3, size 0-0 line 3128 [ 33.052044] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.054326] binder: 3837:3839 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.076848] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.076885] binder: 3837:3840 transaction failed 29189/-3, size 0-0 line 3128 [ 33.092382] [] process_one_work+0x7d7/0x16e0 [ 33.095715] binder: BINDER_SET_CONTEXT_MGR already set [ 33.095721] binder: 3841:3842 ioctl 40046207 0 returned -16 [ 33.096423] binder: 3841:3842 ERROR: BC_REGISTER_LOOPER called without request [ 33.116657] [] ? process_one_work+0x6f7/0x16e0 [ 33.117165] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.117203] binder: 3841:3843 transaction failed 29189/-3, size 0-0 line 3128 [ 33.119459] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.121741] binder: 3841:3843 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.144289] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.144326] binder: 3841:3844 transaction failed 29189/-3, size 0-0 line 3128 [ 33.160408] [] ? pwq_dec_nr_in_flight+0x280/0x280 [ 33.163483] binder: BINDER_SET_CONTEXT_MGR already set [ 33.163489] binder: 3845:3846 ioctl 40046207 0 returned -16 [ 33.164162] binder: 3845:3846 ERROR: BC_REGISTER_LOOPER called without request [ 33.184929] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.184966] binder: 3845:3847 transaction failed 29189/-3, size 0-0 line 3128 [ 33.187222] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.189508] binder: 3845:3847 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.210450] [] ? worker_thread+0x288/0xfc0 [ 33.212014] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.212050] binder: 3845:3848 transaction failed 29189/-3, size 0-0 line 3128 [ 33.228977] [] worker_thread+0xd9/0xfc0 [ 33.230979] binder: BINDER_SET_CONTEXT_MGR already set [ 33.230985] binder: 3849:3850 ioctl 40046207 0 returned -16 [ 33.231661] binder: 3849:3850 ERROR: BC_REGISTER_LOOPER called without request [ 33.252423] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.252460] binder: 3849:3851 transaction failed 29189/-3, size 0-0 line 3128 [ 33.254716] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.256999] binder: 3849:3851 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.277690] [] ? ___preempt_schedule+0x12/0x14 [ 33.279484] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.279521] binder: 3849:3852 transaction failed 29189/-3, size 0-0 line 3128 [ 33.296557] [] kthread+0x268/0x300 [ 33.298379] binder: BINDER_SET_CONTEXT_MGR already set [ 33.298385] binder: 3853:3854 ioctl 40046207 0 returned -16 [ 33.299037] binder: 3853:3854 ERROR: BC_REGISTER_LOOPER called without request [ 33.319829] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.319867] binder: 3853:3855 transaction failed 29189/-3, size 0-0 line 3128 [ 33.322124] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.324412] binder: 3853:3855 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.345194] [] ? process_one_work+0x16e0/0x16e0 [ 33.346946] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.346982] binder: 3853:3856 transaction failed 29189/-3, size 0-0 line 3128 [ 33.364144] [] ? kthread_create_on_node+0x400/0x400 [ 33.365781] binder: BINDER_SET_CONTEXT_MGR already set [ 33.365787] binder: 3857:3858 ioctl 40046207 0 returned -16 [ 33.366488] binder: 3857:3858 ERROR: BC_REGISTER_LOOPER called without request [ 33.387224] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.387270] binder: 3857:3859 transaction failed 29189/-3, size 0-0 line 3128 [ 33.389527] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.391807] binder: 3857:3859 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.413919] [] ? kthread_create_on_node+0x400/0x400 [ 33.414305] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.414341] binder: 3857:3860 transaction failed 29189/-3, size 0-0 line 3128 [ 33.433148] binder: BINDER_SET_CONTEXT_MGR already set [ 33.433154] binder: 3861:3862 ioctl 40046207 0 returned -16 [ 33.433808] binder: 3861:3862 ERROR: BC_REGISTER_LOOPER called without request [ 33.451475] [] ret_from_fork+0x55/0x80 [ 33.454590] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.454626] binder: 3861:3863 transaction failed 29189/-3, size 0-0 line 3128 [ 33.456883] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.459164] binder: 3861:3863 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.481664] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.481700] binder: 3861:3864 transaction failed 29189/-3, size 0-0 line 3128 [ 33.494501] [] ? kthread_create_on_node+0x400/0x400 [ 33.500572] binder: BINDER_SET_CONTEXT_MGR already set [ 33.500578] binder: 3865:3866 ioctl 40046207 0 returned -16 [ 33.501257] binder: 3865:3866 ERROR: BC_REGISTER_LOOPER called without request [ 33.519394] [ 33.520997] Allocated by task 3789: [ 33.522011] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.522047] binder: 3865:3867 transaction failed 29189/-3, size 0-0 line 3128 [ 33.524302] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.526583] binder: 3865:3867 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.549066] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.549102] binder: 3865:3868 transaction failed 29189/-3, size 0-0 line 3128 [ 33.562109] [] save_stack_trace+0x26/0x50 [ 33.567964] binder: BINDER_SET_CONTEXT_MGR already set [ 33.567970] binder: 3869:3870 ioctl 40046207 0 returned -16 [ 33.568624] binder: 3869:3870 ERROR: BC_REGISTER_LOOPER called without request [ 33.586288] [] save_stack+0x43/0xd0 [ 33.589408] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.589445] binder: 3869:3871 transaction failed 29189/-3, size 0-0 line 3128 [ 33.591702] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.593984] binder: 3869:3871 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.616476] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.616511] binder: 3869:3872 transaction failed 29189/-3, size 0-0 line 3128 [ 33.629215] [] kasan_kmalloc+0xad/0xe0 [ 33.634860] [ 33.635331] binder: BINDER_SET_CONTEXT_MGR already set [ 33.635336] binder: 3873:3874 ioctl 40046207 0 returned -16 [ 33.636032] binder: 3873:3874 ERROR: BC_REGISTER_LOOPER called without request [ 33.654621] [] kmem_cache_alloc_trace+0x100/0x2b0 [ 33.656779] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.656816] binder: 3873:3875 transaction failed 29189/-3, size 0-0 line 3128 [ 33.659072] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.661359] binder: 3873:3875 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.683844] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.683880] binder: 3873:3876 transaction failed 29189/-3, size 0-0 line 3128 [ 33.698823] [] binder_transaction+0x103c/0x7290 [ 33.702738] binder: BINDER_SET_CONTEXT_MGR already set [ 33.702744] binder: 3877:3878 ioctl 40046207 0 returned -16 [ 33.703423] binder: 3877:3878 ERROR: BC_REGISTER_LOOPER called without request [ 33.723503] [ 33.724195] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.724239] binder: 3877:3879 transaction failed 29189/-3, size 0-0 line 3128 [ 33.726496] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.728779] binder: 3877:3879 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.749908] [] binder_thread_write+0x81f/0x33e0 [ 33.751281] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.751318] binder: 3877:3880 transaction failed 29189/-3, size 0-0 line 3128 [ 33.769069] [ 33.770164] binder: BINDER_SET_CONTEXT_MGR already set [ 33.770169] binder: 3881:3882 ioctl 40046207 0 returned -16 [ 33.770848] binder: 3881:3882 ERROR: BC_REGISTER_LOOPER called without request [ 33.788858] [] binder_ioctl_write_read.isra.55+0x1cf/0xbc0 [ 33.791609] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.791646] binder: 3881:3883 transaction failed 29189/-3, size 0-0 line 3128 [ 33.793903] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.796185] binder: 3881:3883 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.818664] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.818700] binder: 3881:3884 transaction failed 29189/-3, size 0-0 line 3128 [ 33.833817] [] binder_ioctl+0xc50/0x12e0 [ 33.837591] binder: BINDER_SET_CONTEXT_MGR already set [ 33.837597] binder: 3885:3886 ioctl 40046207 0 returned -16 [ 33.838259] binder: 3885:3886 ERROR: BC_REGISTER_LOOPER called without request [ 33.857871] [ 33.859031] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.859068] binder: 3885:3887 transaction failed 29189/-3, size 0-0 line 3128 [ 33.861330] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.863612] binder: 3885:3887 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.884252] [] do_vfs_ioctl+0x7aa/0xee0 [ 33.886127] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.886164] binder: 3885:3888 transaction failed 29189/-3, size 0-0 line 3128 [ 33.902713] [] SyS_ioctl+0x8f/0xc0 [ 33.904972] binder: BINDER_SET_CONTEXT_MGR already set [ 33.904978] binder: 3889:3890 ioctl 40046207 0 returned -16 [ 33.905653] binder: 3889:3890 ERROR: BC_REGISTER_LOOPER called without request [ 33.926264] [ 33.926427] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.926465] binder: 3889:3891 transaction failed 29189/-3, size 0-0 line 3128 [ 33.928721] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.931002] binder: 3889:3891 BC_ACQUIRE_DONE u0000000000000000 no match [ 33.952652] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 33.953544] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.953580] binder: 3889:3892 transaction failed 29189/-3, size 0-0 line 3128 [ 33.972061] [ 33.972476] binder: BINDER_SET_CONTEXT_MGR already set [ 33.972482] binder: 3893:3894 ioctl 40046207 0 returned -16 [ 33.973159] binder: 3893:3894 ERROR: BC_REGISTER_LOOPER called without request [ 33.991910] Freed by task 19: [ 33.993926] binder_alloc: 3798: binder_alloc_buf, no vma [ 33.993963] binder: 3893:3895 transaction failed 29189/-3, size 0-0 line 3128 [ 33.996224] binder: undelivered TRANSACTION_ERROR: 29189 [ 33.998505] binder: 3893:3895 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.019865] [ 34.021007] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.021043] binder: 3893:3896 transaction failed 29189/-3, size 0-0 line 3128 [ 34.034045] [] save_stack_trace+0x26/0x50 [ 34.039952] binder: BINDER_SET_CONTEXT_MGR already set [ 34.039958] binder: 3897:3898 ioctl 40046207 0 returned -16 [ 34.040638] binder: 3897:3898 ERROR: BC_REGISTER_LOOPER called without request [ 34.058288] [] save_stack+0x43/0xd0 [ 34.061396] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.061433] binder: 3897:3899 transaction failed 29189/-3, size 0-0 line 3128 [ 34.063690] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.065964] binder: 3897:3899 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.088470] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.088504] binder: 3897:3900 transaction failed 29189/-3, size 0-0 line 3128 [ 34.101193] [] kasan_slab_free+0x72/0xc0 [ 34.107019] [ 34.107353] binder: BINDER_SET_CONTEXT_MGR already set [ 34.107359] binder: 3901:3902 ioctl 40046207 0 returned -16 [ 34.108007] binder: 3901:3902 ERROR: BC_REGISTER_LOOPER called without request [ 34.126788] [] kfree+0xfc/0x300 [ 34.128804] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.128839] binder: 3901:3903 transaction failed 29189/-3, size 0-0 line 3128 [ 34.131095] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.133377] binder: 3901:3903 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.155938] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.155975] binder: 3901:3904 transaction failed 29189/-3, size 0-0 line 3128 [ 34.169429] [] binder_free_transaction+0x6a/0x90 [ 34.175078] binder: BINDER_SET_CONTEXT_MGR already set [ 34.175084] binder: 3905:3906 ioctl 40046207 0 returned -16 [ 34.175761] binder: 3905:3906 ERROR: BC_REGISTER_LOOPER called without request [ 34.194188] [] binder_send_failed_reply+0x185/0x3a0 [ 34.196530] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.196567] binder: 3905:3907 transaction failed 29189/-3, size 0-0 line 3128 [ 34.198823] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.201106] binder: 3905:3907 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.223647] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.223684] binder: 3905:3908 transaction failed 29189/-3, size 0-0 line 3128 [ 34.238490] [] binder_thread_release+0x413/0x600 [ 34.242474] binder: BINDER_SET_CONTEXT_MGR already set [ 34.242480] binder: 3909:3910 ioctl 40046207 0 returned -16 [ 34.243161] binder: 3909:3910 ERROR: BC_REGISTER_LOOPER called without request [ 34.263251] [ 34.263918] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.263955] binder: 3909:3911 transaction failed 29189/-3, size 0-0 line 3128 [ 34.266211] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.268492] binder: 3909:3911 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.289639] [] binder_deferred_func+0x438/0xd10 [ 34.291028] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.291064] binder: 3909:3912 transaction failed 29189/-3, size 0-0 line 3128 [ 34.308806] [ 34.309979] binder: BINDER_SET_CONTEXT_MGR already set [ 34.309984] binder: 3913:3914 ioctl 40046207 0 returned -16 [ 34.310664] binder: 3913:3914 ERROR: BC_REGISTER_LOOPER called without request [ 34.328591] [] process_one_work+0x7d7/0x16e0 [ 34.331422] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.331460] binder: 3913:3915 transaction failed 29189/-3, size 0-0 line 3128 [ 34.333716] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.335964] binder: 3913:3915 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.358495] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.358532] binder: 3913:3916 transaction failed 29189/-3, size 0-0 line 3128 [ 34.372354] [] worker_thread+0xd9/0xfc0 [ 34.377343] binder: BINDER_SET_CONTEXT_MGR already set [ 34.377348] binder: 3917:3918 ioctl 40046207 0 returned -16 [ 34.378021] binder: 3917:3918 ERROR: BC_REGISTER_LOOPER called without request [ 34.396323] [] kthread+0x268/0x300 [ 34.398785] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.398821] binder: 3917:3919 transaction failed 29189/-3, size 0-0 line 3128 [ 34.401078] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.403358] binder: 3917:3919 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.425886] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.425943] binder: 3917:3920 transaction failed 29189/-3, size 0-0 line 3128 [ 34.439119] [] ret_from_fork+0x55/0x80 [ 34.444718] binder: BINDER_SET_CONTEXT_MGR already set [ 34.444724] binder: 3921:3922 ioctl 40046207 0 returned -16 [ 34.445400] binder: 3921:3922 ERROR: BC_REGISTER_LOOPER called without request [ 34.463041] [ 34.464642] The buggy address belongs to the object at ffff8801d4933c00 [ 34.464642] which belongs to the cache kmalloc-192 of size 192 [ 34.466184] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.466220] binder: 3921:3923 transaction failed 29189/-3, size 0-0 line 3128 [ 34.468477] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.470758] binder: 3921:3923 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.493298] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.493334] binder: 3921:3924 transaction failed 29189/-3, size 0-0 line 3128 [ 34.512226] binder: BINDER_SET_CONTEXT_MGR already set [ 34.512232] binder: 3925:3926 ioctl 40046207 0 returned -16 [ 34.512904] binder: 3925:3926 ERROR: BC_REGISTER_LOOPER called without request [ 34.533045] The buggy address is located 16 bytes inside of [ 34.533045] 192-byte region [ffff8801d4933c00, ffff8801d4933cc0) [ 34.533677] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.533714] binder: 3925:3927 transaction failed 29189/-3, size 0-0 line 3128 [ 34.535960] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.538246] binder: 3925:3927 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.560747] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.560782] binder: 3925:3928 transaction failed 29189/-3, size 0-0 line 3128 [ 34.579694] binder: BINDER_SET_CONTEXT_MGR already set [ 34.579700] binder: 3929:3930 ioctl 40046207 0 returned -16 [ 34.580378] binder: 3929:3930 ERROR: BC_REGISTER_LOOPER called without request [ 34.600766] The buggy address belongs to the page: [ 34.601138] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.601174] binder: 3929:3931 transaction failed 29189/-3, size 0-0 line 3128 [ 34.603429] binder: undelivered TRANSACTION_ERROR: 29189 [ 34.605711] binder: 3929:3931 BC_ACQUIRE_DONE u0000000000000000 no match [ 34.628216] binder_alloc: 3798: binder_alloc_buf, no vma [ 34.628252] binder: 3929:3932 transaction failed 29189/-3, size 0-0 line 3128 [ 34.645729] ------------[ cut here ]------------ [ 34.650497] kernel BUG at include/linux/mm.h:460! [ 34.655321] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 34.661202] Dumping ftrace buffer: [ 34.664730] (ftrace buffer empty) [ 34.668427] Modules linked in: [ 34.671733] CPU: 1 PID: 3780 Comm: syzkaller316977 Not tainted 4.4.119-g855ea74 #27 [ 34.679508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.688848] task: ffff8801c507e000 task.stack: ffff8801d8e48000 SeaBIOS (version 1.8.2-20180102_145157-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 256 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2330: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000037cb26e input_len: 0x00000000014238cc output: 0x0000000001000000 output_len: 0x0000000003bdaa40 run_size: 0x0000000005310000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Initializing cgroup subsys schedtune [ 0.000000] Linux version 4.4.119-g855ea74 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #27 SMP PREEMPT Fri Mar 2 20:49:12 UTC 2018 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=120 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers' [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT [ 0.000000] e820: last_pfn = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f23b0-0x000f23bf] mapped at [ffff8800000f23b0] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F2370 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFF3430 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFCF60 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFF3470 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFF65F0 00690D (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFF5D10 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFF5CE0 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFF4C30 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 2:1fffd001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 2280730208 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfff2fff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 0.000000] kasan: KernelAddressSanitizer initialized [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xbfff3000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 42 pages/cpu @ffff8801db200000 s134024 r8192 d29816 u1048576 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1935227 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=120 [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.000000] Memory: 6581404K/7863876K available (40421K kernel code, 6136K rwdata, 8808K rodata, 1848K init, 23616K bss, 1282472K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Kernel/User page tables isolation: enabled [ 0.000000] Running RCU self tests [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2 [ 0.000000] NR_IRQS:4352 nr_irqs:440 16 [ 0.000000] console [ttyS0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8159 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] tsc: Detected 2300.000 MHz processor [ 1.151419] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.152574] pid_max: default: 32768 minimum: 301 [ 1.153274] ACPI: Core revision 20150930 [ 1.571822] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.573784] Security Framework initialized [ 1.574371] SELinux: Initializing. [ 1.575024] AppArmor: AppArmor disabled by boot time parameter [ 1.575940] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.576921] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.580564] Initializing cgroup subsys io [ 1.581237] Initializing cgroup subsys freezer [ 1.581961] Initializing cgroup subsys hugetlb [ 1.582595] Initializing cgroup subsys debug [ 1.583363] CPU: Physical Processor ID: 0 [ 1.585199] mce: CPU supports 32 MCE banks [ 1.585954] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.586783] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.587697] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.590875] Freeing SMP alternatives memory: 44K [ 1.600132] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.720750] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.722329] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.811023] x86: Booting SMP configuration: [ 1.811727] .... node #0, CPUs: #1 [ 1.812559] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.817801] x86: Booted up 1 node, 2 CPUs [ 1.818451] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.822273] devtmpfs: initialized [ 1.833306] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.834697] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.836329] xor: automatically using best checksumming function: [ 1.848959] kworker/u4:0 (21) used greatest stack depth: 27448 bytes left [ 1.930755] avx : 21035.600 MB/sec [ 1.931958] RTC time: 12:45:36, date: 03/05/18 [ 1.934219] NET: Registered protocol family 16 [ 1.935318] schedtune: init normalization constants... [ 1.936039] schedtune: no energy model data [ 1.936631] schedtune: disabled! [ 1.971003] cpuidle: using governor ladder [ 2.007705] cpuidle: using governor menu [ 2.008979] ACPI: bus type PCI registered [ 2.009575] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.012581] PCI: Using configuration type 1 for base access [ 2.242577] kworker/u4:1 (467) used greatest stack depth: 27080 bytes left [ 2.450760] raid6: sse2x1 gen() 4701 MB/s [ 2.620683] raid6: sse2x1 xor() 2629 MB/s [ 2.790669] raid6: sse2x2 gen() 7048 MB/s [ 2.960651] raid6: sse2x2 xor() 4079 MB/s [ 3.130641] raid6: sse2x4 gen() 7968 MB/s [ 3.300622] raid6: sse2x4 xor() 5305 MB/s [ 3.470604] raid6: avx2x1 gen() 9417 MB/s [ 3.640590] raid6: avx2x2 gen() 14633 MB/s [ 3.810575] raid6: avx2x4 gen() 19105 MB/s [ 3.811232] raid6: using algorithm avx2x4 gen() 19105 MB/s [ 3.811977] raid6: using avx2x2 recovery algorithm [ 3.813318] ACPI: Added _OSI(Module Device) [ 3.813950] ACPI: Added _OSI(Processor Device) [ 3.814563] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.815402] ACPI: Added _OSI(Processor Aggregator Device) [ 3.841071] ACPI: Executed 2 blocks of module-level executable AML code [ 4.674425] ACPI: Interpreter enabled [ 4.675402] ACPI: (supports S0 S3 S4 S5) [ 4.675968] ACPI: Using IOAPIC for interrupt routing [ 4.677122] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug